diff options
| author | Dennis Zhou <dennis@kernel.org> | 2018-12-05 18:10:29 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-08 06:26:36 +0100 |
| commit | 2268c0feb0ffb1c1bb6e1d4d5505d30f485aa77b (patch) | |
| tree | e53dac6e15fa377325f7af425f4c8ecf997198e5 /block/blk-throttle.c | |
| parent | blkcg: convert blkg_lookup_create() to find closest blkg (diff) | |
| download | linux-2268c0feb0ffb1c1bb6e1d4d5505d30f485aa77b.tar.xz linux-2268c0feb0ffb1c1bb6e1d4d5505d30f485aa77b.zip | |
blkcg: introduce common blkg association logic
There are 3 ways blkg association can happen: association with the
current css, with the page css (swap), or from the wbc css (writeback).
This patch handles how association is done for the first case where we
are associating bsaed on the current css. If there is already a blkg
associated, the css will be reused and association will be redone as the
request_queue may have changed.
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index d648d6720f46..228c3a007ebc 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -2115,10 +2115,10 @@ static inline void throtl_update_latency_buckets(struct throtl_data *td) } #endif -static void blk_throtl_assoc_bio(struct throtl_grp *tg, struct bio *bio) +static void blk_throtl_assoc_bio(struct bio *bio) { #ifdef CONFIG_BLK_DEV_THROTTLING_LOW - bio_associate_blkg(bio, tg_to_blkg(tg)); + bio_associate_blkg(bio); bio_issue_init(&bio->bi_issue, bio_sectors(bio)); #endif } @@ -2143,7 +2143,7 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg, throtl_update_latency_buckets(td); - blk_throtl_assoc_bio(tg, bio); + blk_throtl_assoc_bio(bio); blk_throtl_update_idletime(tg); sq = &tg->service_queue; |